From b8a1154a2a93c8329ea8c7ed222d583768210556 Mon Sep 17 00:00:00 2001 From: sbosse Date: Wed, 28 Aug 2024 21:43:11 +0200 Subject: [PATCH] Wed 28 Aug 21:38:52 CEST 2024 --- src/SimNDT/graphics/glWidget.py | 362 ++++++++++++++++++++++++++++++++ 1 file changed, 362 insertions(+) create mode 100644 src/SimNDT/graphics/glWidget.py diff --git a/src/SimNDT/graphics/glWidget.py b/src/SimNDT/graphics/glWidget.py new file mode 100644 index 0000000..c1d9ec7 --- /dev/null +++ b/src/SimNDT/graphics/glWidget.py @@ -0,0 +1,362 @@ + +import sys +from PySide.QtCore import * +from PySide.QtGui import * +from PySide.QtOpenGL import * + +import math +import numpy as np +import OpenGL.GL as GL +import platform + + +import glumpy +import colormaps + +import SimNDT.gui.HelperMethods as HelperMethods + + +def mapValue(data,in_min,in_max,out_min,out_max): + return (data-in_min)*(out_max-out_min)/(in_max-in_min) + out_min + + + +class RefreshZoom(QObject): + + zoomed = Signal(int) + + def __init__(self): + QObject.__init__(self) + + def zoom(self, value): + self.zoomed.emit(value) + + + +class GLWidget(QGLWidget): + + + def __init__(self, parent=None, width=600, height=600): + + self.parent = parent + self._width, self._height = width, height + QGLWidget.__init__(self, QGLFormat(QGL.SampleBuffers), parent) + + self.setAttribute(Qt.WA_NoSystemBackground) + self.refreshZoom = RefreshZoom() + self.setContextMenuPolicy(Qt.CustomContextMenu) + self.customContextMenuRequested.connect(self.showContextMenu) + + + + + self.cmap_jet = colormaps.CMAP_JET + self.cmap_gray = colormaps.CMAP_GRAY + self.cmap_arcoiris = colormaps.CMAP_RAINBOW + + + self._Starting = False + self.Enable = False + + self._x = self._width/2.0 + self._y = self._height/2.0 + self._zoom = 0.3 + + self.Offset = QPoint() + self.ActualPosition = QPoint() + self.DragStart = QPoint() + self.newOffset= QPoint() + self._dx = 0 + self._dy = 0 + + self.image = None + self._ImageSim = False + + self.EnableTransducers = False + self._ABS = False + + self.cmap = self.cmap_jet + + def init(self): + + self.resizeGL(self._width,self._height) + self.initializeGL() + + def disable(self): + self._Starting = False + + + def showContextMenu(self, pos): + + menu = QMenu() + HelperMethods.addActions(menu, self.parent.actionAdd_Ellipse) + HelperMethods.addActions(menu, self.parent.actionAdd_Rectangle) + menu.exec_(self.mapToGlobal(pos)) + + + + + def setColormap(self,value): + + if value == 0: + self.cmap = self.cmap_jet + elif value == 1: + self.cmap = self.cmap_gray + + def setImage(self,I, DB = 60): + + self.DB = DB + self.time = 0 + + self._Starting = True + I = np.float32(I) + self.Z = I + self.image = [] + self.image = glumpy.image.Image(self.Z, interpolation='bilinear', + colormap=self.cmap, + vmin= -self.DB, vmax=0) + + C = np.linspace(-self.DB,0,256).astype(np.float32) + C = C.reshape((1,256)) + self.colorbar = glumpy.image.Image(C, colormap=self.cmap) + + self._ImageSim = True + self.values_text = np.linspace(-self.DB,0,10, endpoint=True) + self.tick = [mapValue(i,-self.DB,0,0,self._width-10) for i in self.values_text] + + + def updateWithImage(self,I, time): + self.M,self.N = np.shape(I) + self.time = time + self.Z[...] = I + self.image.update() + self.updateGL() + + + def imshow(self, I): + + self._ImageSim = False + I = np.float32(I) + self.M, self.N = np.shape(I) + self.image = [] + self.image = glumpy.image.Image(I, interpolation="nearest" ,colormap=self.cmap_jet, vmin= 0.0, vmax=255) + C = np.linspace(0,255,256).astype(np.float32) + C = C.reshape((1,256)) + self.colorbar = glumpy.image.Image(C, colormap=self.cmap_jet) + self.values_text = [0,40,80,120,160,200,240] + self.tick = [mapValue(i,0,255,0,self._width-10) for i in self.values_text] + + self.updateGL() + + + def materials(self): + + m = 40*np.ones((30,30)).astype(np.float32) + self.mat = glumpy.image.Image(m, colormap=self.cmap_jet, vmin=0, vmax=255) + + def updateMaterials(self): + + self.mat.draw(x=self._width-100, y=self._height-50, z=0, width= 10, height=10) + self.qglColor(QColor(0,0,0)) + self.renderText(self._width-90, 50, "aluminium") + + + + def _clear(self): + self.qglClearColor(QColor(230, 230, 230)) + + def clear(self): + self._clear() + GL.glClear(GL.GL_COLOR_BUFFER_BIT) + + + def clearUpdate(self): + self.image = None + self.updateGL() + + def initializeGL(self): + self._clear() + GL.glDisable(GL.GL_BLEND) + #glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA) + #glEnable(GL_TEXTURE_2D) + + def paintGL(self): + self.makeCurrent() + self.OnDraw() + + def setupZoom(self, value): + self._zoom = 0.3*value/100.0 + + def setZoom(self,value): + self._zoom = 0.3*value/100.0 + self.updateGL() + + def getZoom(self): + return 100*self._zoom/0.3 + + + def wheelEvent(self, event): + numDegrees = event.delta() / 8 + numSteps = numDegrees / 15.0 + self.setZoom(numSteps + self.getZoom()) + self.refreshZoom.zoom(self.getZoom()) + + + + def drawAxis(self): + + GL.glDisable(GL.GL_TEXTURE_2D) + GL.glDisable(GL.GL_BLEND) + + GL.glLineWidth(1) + GL.glColor3f(0.0, 0.0, 0.0) + + + y0 = 30 + y1 = y0 + 60 + _x0 = 30 + _y0 = self._height-y0 + _x1 = _x0 + 60 + _y1 = _y0 - 60 + + + GL.glPointSize(7) + GL.glBegin(GL.GL_POINTS) + GL.glVertex2f(_x0,_y0) + GL.glEnd() + + GL.glBegin(GL.GL_LINES) + GL.glVertex2f(_x0, _y0) + GL.glVertex2f(_x0, _y1) + GL.glVertex2f(_x0, _y0) + GL.glVertex2f(_x1 ,_y0) + GL.glEnd() + + _w = 5 + GL.glBegin(GL.GL_TRIANGLES) + GL.glVertex2f(_x0 +_w, _y1) + GL.glVertex2f(_x0 -_w, _y1) + GL.glVertex2f(_x0,_y1 -_w) + GL.glEnd() + + GL.glBegin(GL.GL_TRIANGLES) + GL.glVertex2f(_x1, _y0+_w) + GL.glVertex2f(_x1, _y0-_w) + GL.glVertex2f(_x1+_w,_y0) + GL.glEnd() + + GL.glDisable(GL.GL_BLEND) + GL.glColor3f(0.0, 0.0, 0.0) + self.renderText(_x1 + 2*_w, y0+_w, "X") + self.renderText(_x0-_w, y1 + 4*_w, "Y") + + + + def OnDraw(self): + + self.clear() + + + if self.image: + x = self._width/2.0 - self.N*self._zoom/2.0 + y = self._height/2.0 - self.M*self._zoom/2.0 + + self.image.draw(x=x, y=y,z=0, width= self.N*self._zoom , height= self.M*self._zoom) + self.colorbar.draw(x=0, y=0, z = 0, width=self._width, height=20 ) + + + + if self._ImageSim: + self.tick = [mapValue(i,-self.DB,0,0,self._width-10) for i in self.values_text] + x0 = self._width/2.0 - self.N*self._zoom*0.1 + y0 = self._height/2.0 - self.M*self._zoom/2.0 - self.M*self._zoom*0.02 + self.qglColor(QColor(0,0,0)) + self.renderText(x0, y0, " time = %.2f %ss"%(self.time, unichr(956))) + + else: + self.tick = [mapValue(i,0,255,0,self._width-10) for i in self.values_text] + + + self.qglColor(QColor(0,0,0)) + for i, t in zip(self.values_text,self.tick): + if self._ImageSim: + self.renderText(int(t), self._height-20, str(int(i))+" dB") + else: + self.renderText(int(t), self._height-20, str(int(i))) + + + self.drawAxis() + + if self.EnableTransducers: + GL.glDisable(GL.GL_TEXTURE_2D) + GL.glDisable(GL.GL_BLEND) + self.drawTransducers() + + + + + def setTransducers(self, X,Y): + self.XL = X + self.YL = Y + + def drawTransducers(self): + + x = self._width/2.0 - self.N*self._zoom/2.0 + self.XL*self._zoom + y = self._height/2.0 - self.M*self._zoom/2.0 + self.YL*self._zoom + GL.glLineWidth(5); + GL.glColor3f(0.0, 0.0, 0.0); + for j in range(np.size(x,1)): + for i in range(np.size(x,0)-1): + GL.glBegin(GL.GL_LINES); + GL.glVertex2f(x[i,j], y[i,j]) + GL.glVertex2f(x[i+1,j],y[i+1,j]); + GL.glEnd(); + + + + def resizeGL(self, width, height): + + self._width, self._height = width, height + GL.glViewport(0, 0, width, height); + GL.glMatrixMode(GL.GL_PROJECTION); + GL.glLoadIdentity(); + + + if self._height==0: + self._height=1; + + if self._width==0: + self._width=1; + + GL.glOrtho(0, self._width, 0, self._height, -1, 1) + GL.glMatrixMode(GL.GL_MODELVIEW); + GL.glLoadIdentity(); + + self.OnDraw() + + + + + def mousePressEvent(self, event): + self.DragStart = QPoint(event.pos()) + + def mouseMoveEvent(self, event): + + self.ActualPosition = QPoint(event.pos()) + if event.buttons() & Qt.LeftButton: + + self.newOffset = self.Offset + x = self.ActualPosition.x()-self.DragStart.x() + y = self.ActualPosition.y()-self.DragStart.y() + self.Offset = QPoint(x,y) + self._dx = self.Offset.x() + self._dy = self.Offset.y() + + self.updateGL() + + + + + + +